425542 has 12 divisors (see below), whose sum is σ = 691740. Its totient is φ = 196248.

The previous prime is 425533. The next prime is 425549. The reversal of 425542 is 245524.

It is a d-powerful number, because it can be written as 4² + 2¹⁶ + 5⁶ + 5⁷ + 4⁶ + 2¹⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (57645).

2⁴²⁵⁵⁴² is an apocalyptic number.

425542 is a deficient number, since it is larger than the sum of its proper divisors (266198).

425542 is a wasteful number, since it uses less digits than its factorization.

425542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1274 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 425542 is about 652.3358030953. The cubic root of 425542 is about 75.2166771146.

The spelling of 425542 in words is "four hundred twenty-five thousand, five hundred forty-two".